131223132203 has 2 divisors, whose sum is σ = 131223132204. Its totient is φ = 131223132202.

The previous prime is 131223132149. The next prime is 131223132221. The reversal of 131223132203 is 302231322131.

It is a strong prime.

It is an emirp because it is prime and its reverse (302231322131) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 131223132203 - 2¹² = 131223128107 is a prime.

It is not a weakly prime, because it can be changed into another prime (131223132283) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65611566101 + 65611566102.

It is an arithmetic number, because the mean of its divisors is an integer number (65611566102).

Almost surely, 2^131223132203 is an apocalyptic number.

131223132203 is a deficient number, since it is larger than the sum of its proper divisors (1).

131223132203 is an equidigital number, since it uses as much as digits as its factorization.

131223132203 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 131223132203 its reverse (302231322131), we get a palindrome (433454454334).

The spelling of 131223132203 in words is "one hundred thirty-one billion, two hundred twenty-three million, one hundred thirty-two thousand, two hundred three".